blob: dba2502eeae7990efbca8ec888b3f97ffe23301a [file] [log] [blame]
Joe Onorato5dcbc6c2017-08-29 15:13:58 -07001/*
yro0feae942017-11-15 14:38:48 -08002 * Copyright (C) 2017 The Android Open Source Project
Joe Onorato5dcbc6c2017-08-29 15:13:58 -07003 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef STATS_SERVICE_H
18#define STATS_SERVICE_H
19
David Chen9fdd4032018-03-20 14:38:56 -070020#include <gtest/gtest_prod.h>
David Chen0656b7a2017-09-13 15:53:39 -070021#include "StatsLogProcessor.h"
Yangster-mac932ecec2018-02-01 10:23:52 -080022#include "anomaly/AlarmMonitor.h"
Joe Onorato9fc9edf2017-10-15 20:08:52 -070023#include "config/ConfigManager.h"
24#include "external/StatsPullerManager.h"
Yao Chen0f861862019-03-27 11:51:15 -070025#include "logd/LogEventQueue.h"
Joe Onorato9fc9edf2017-10-15 20:08:52 -070026#include "packages/UidMap.h"
Yao Chena80e5c02018-09-04 13:55:29 -070027#include "shell/ShellSubscriber.h"
Chenjie Yuaa5b2012018-03-21 13:53:15 -070028#include "statscompanion_util.h"
David Chen0656b7a2017-09-13 15:53:39 -070029
Howard Roa46b6582018-09-18 16:45:02 -070030#include <android/frameworks/stats/1.0/IStats.h>
31#include <android/frameworks/stats/1.0/types.h>
Joe Onorato5dcbc6c2017-08-29 15:13:58 -070032#include <android/os/BnStatsManager.h>
Bookatzb487b552017-09-18 11:26:01 -070033#include <android/os/IStatsCompanionService.h>
Chenjie Yu6b1667c2019-01-18 10:09:33 -080034#include <android/os/IStatsManager.h>
Joe Onorato2cbc2cc2017-08-30 17:03:23 -070035#include <binder/IResultReceiver.h>
Max Dashouk11e0d402019-05-16 16:58:07 -070036#include <binder/ParcelFileDescriptor.h>
Joe Onorato5dcbc6c2017-08-29 15:13:58 -070037#include <utils/Looper.h>
38
39#include <deque>
40#include <mutex>
41
42using namespace android;
43using namespace android::base;
44using namespace android::binder;
Howard Roa46b6582018-09-18 16:45:02 -070045using namespace android::frameworks::stats::V1_0;
Joe Onorato5dcbc6c2017-08-29 15:13:58 -070046using namespace android::os;
47using namespace std;
Bookatzb487b552017-09-18 11:26:01 -070048
Bookatz906a35c2017-09-20 15:26:44 -070049namespace android {
50namespace os {
51namespace statsd {
Joe Onorato5dcbc6c2017-08-29 15:13:58 -070052
Howard Roa46b6582018-09-18 16:45:02 -070053using android::hardware::Return;
54
55class StatsService : public BnStatsManager,
Howard Roa46b6582018-09-18 16:45:02 -070056 public IBinder::DeathRecipient {
Joe Onorato5dcbc6c2017-08-29 15:13:58 -070057public:
Yao Chen0f861862019-03-27 11:51:15 -070058 StatsService(const sp<Looper>& handlerLooper, std::shared_ptr<LogEventQueue> queue);
Joe Onorato5dcbc6c2017-08-29 15:13:58 -070059 virtual ~StatsService();
60
Bookatz1d0136d2017-12-01 11:13:32 -080061 /** The anomaly alarm registered with AlarmManager won't be updated by less than this. */
Bookatz1d0136d2017-12-01 11:13:32 -080062 const uint32_t MIN_DIFF_TO_UPDATE_REGISTERED_ALARM_SECS = 5;
63
Joe Onorato2cbc2cc2017-08-30 17:03:23 -070064 virtual status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags);
Joe Onorato2cbc2cc2017-08-30 17:03:23 -070065 virtual status_t dump(int fd, const Vector<String16>& args);
Yao Chena80e5c02018-09-04 13:55:29 -070066 virtual status_t command(int inFd, int outFd, int err, Vector<String8>& args,
67 sp<IResultReceiver> resultReceiver);
Joe Onorato2cbc2cc2017-08-30 17:03:23 -070068
69 virtual Status systemRunning();
Bookatzb487b552017-09-18 11:26:01 -070070 virtual Status statsCompanionReady();
Bookatz1b0b1142017-09-08 11:58:42 -070071 virtual Status informAnomalyAlarmFired();
Bookatz1b0b1142017-09-08 11:58:42 -070072 virtual Status informPollAlarmFired();
Yangster-mac932ecec2018-02-01 10:23:52 -080073 virtual Status informAlarmForSubscriberTriggeringFired();
74
Max Dashouk11e0d402019-05-16 16:58:07 -070075 virtual Status informAllUidData(const ParcelFileDescriptor& fd);
dwchen730403e2018-10-29 11:41:56 -070076 virtual Status informOnePackage(const String16& app, int32_t uid, int64_t version,
77 const String16& version_string, const String16& installer);
David Chende701692017-10-05 13:16:02 -070078 virtual Status informOnePackageRemoved(const String16& app, int32_t uid);
Yangster-mac892f3d32018-05-02 14:16:48 -070079 virtual Status informDeviceShutdown();
David Chende701692017-10-05 13:16:02 -070080
Joe Onorato9fc9edf2017-10-15 20:08:52 -070081 /**
82 * Called right before we start processing events.
83 */
84 void Startup();
85
86 /**
Yangster-mac97e7d202018-10-09 11:05:39 -070087 * Called when terminiation signal received.
88 */
89 void Terminate();
90
91 /**
Yao Chen0f861862019-03-27 11:51:15 -070092 * Test ONLY interface. In real world, StatsService reads from LogEventQueue.
Joe Onorato9fc9edf2017-10-15 20:08:52 -070093 */
Yao Chen3ff3a492018-08-06 16:17:37 -070094 virtual void OnLogEvent(LogEvent* event);
David Chen0656b7a2017-09-13 15:53:39 -070095
yro31eb67b2017-10-24 13:33:21 -070096 /**
David Chenadaf8b32017-11-03 15:42:08 -070097 * Binder call for clients to request data for this configuration key.
yro31eb67b2017-10-24 13:33:21 -070098 */
Jeff Sharkey6b649252018-04-16 09:50:22 -060099 virtual Status getData(int64_t key,
100 const String16& packageName,
101 vector<uint8_t>* output) override;
Yangster-mac94e197c2018-01-02 16:03:03 -0800102
yro31eb67b2017-10-24 13:33:21 -0700103
104 /**
David Chen2e8f3802017-11-22 10:56:48 -0800105 * Binder call for clients to get metadata across all configs in statsd.
106 */
Jeff Sharkey6b649252018-04-16 09:50:22 -0600107 virtual Status getMetadata(const String16& packageName,
108 vector<uint8_t>* output) override;
David Chen2e8f3802017-11-22 10:56:48 -0800109
Yangster-mac94e197c2018-01-02 16:03:03 -0800110
David Chen2e8f3802017-11-22 10:56:48 -0800111 /**
David Chenadaf8b32017-11-03 15:42:08 -0700112 * Binder call to let clients send a configuration and indicate they're interested when they
113 * should requestData for this configuration.
yro31eb67b2017-10-24 13:33:21 -0700114 */
Jeff Sharkey6b649252018-04-16 09:50:22 -0600115 virtual Status addConfiguration(int64_t key,
116 const vector<uint8_t>& config,
117 const String16& packageName) override;
David Chen661f7912018-01-22 17:46:24 -0800118
119 /**
120 * Binder call to let clients register the data fetch operation for a configuration.
121 */
Bookatz4f716292018-04-10 17:15:12 -0700122 virtual Status setDataFetchOperation(int64_t key,
Jeff Sharkey6b649252018-04-16 09:50:22 -0600123 const sp<android::IBinder>& intentSender,
124 const String16& packageName) override;
David Chen661f7912018-01-22 17:46:24 -0800125
126 /**
127 * Binder call to remove the data fetch operation for the specified config key.
128 */
Jeff Sharkey6b649252018-04-16 09:50:22 -0600129 virtual Status removeDataFetchOperation(int64_t key,
130 const String16& packageName) override;
yro31eb67b2017-10-24 13:33:21 -0700131
132 /**
Tej Singh2c9ef2a2019-01-22 11:33:51 -0800133 * Binder call to let clients register the active configs changed operation.
134 */
135 virtual Status setActiveConfigsChangedOperation(const sp<android::IBinder>& intentSender,
136 const String16& packageName,
137 vector<int64_t>* output) override;
138
139 /**
140 * Binder call to remove the active configs changed operation for the specified package..
141 */
142 virtual Status removeActiveConfigsChangedOperation(const String16& packageName) override;
143 /**
David Chenadaf8b32017-11-03 15:42:08 -0700144 * Binder call to allow clients to remove the specified configuration.
yro31eb67b2017-10-24 13:33:21 -0700145 */
Jeff Sharkey6b649252018-04-16 09:50:22 -0600146 virtual Status removeConfiguration(int64_t key,
147 const String16& packageName) override;
yro31eb67b2017-10-24 13:33:21 -0700148
Bookatzc6977972018-01-16 16:55:05 -0800149 /**
150 * Binder call to associate the given config's subscriberId with the given intentSender.
151 * intentSender must be convertible into an IntentSender (in Java) using IntentSender(IBinder).
152 */
153 virtual Status setBroadcastSubscriber(int64_t configId,
154 int64_t subscriberId,
Jeff Sharkey6b649252018-04-16 09:50:22 -0600155 const sp<android::IBinder>& intentSender,
156 const String16& packageName) override;
Bookatzc6977972018-01-16 16:55:05 -0800157
158 /**
159 * Binder call to unassociate the given config's subscriberId with any intentSender.
160 */
Jeff Sharkey6b649252018-04-16 09:50:22 -0600161 virtual Status unsetBroadcastSubscriber(int64_t configId,
162 int64_t subscriberId,
163 const String16& packageName) override;
Bookatzc6977972018-01-16 16:55:05 -0800164
Bookatzb487b552017-09-18 11:26:01 -0700165 /** Inform statsCompanion that statsd is ready. */
166 virtual void sayHiToStatsCompanion();
167
yrobe6d7f92018-05-04 13:02:53 -0700168 /**
169 * Binder call to get AppBreadcrumbReported atom.
170 */
171 virtual Status sendAppBreadcrumbAtom(int32_t label, int32_t state) override;
172
Howard Roa46b6582018-09-18 16:45:02 -0700173 /**
Tej Singha0c89dd2019-01-25 16:39:18 -0800174 * Binder call to register a callback function for a vendor pulled atom.
175 * Note: this atom must NOT have uid as a field.
176 */
177 virtual Status registerPullerCallback(int32_t atomTag,
178 const sp<android::os::IStatsPullerCallback>& pullerCallback,
179 const String16& packageName) override;
180
181 /**
182 * Binder call to unregister any existing callback function for a vendor pulled atom.
183 */
184 virtual Status unregisterPullerCallback(int32_t atomTag, const String16& packageName) override;
185
186 /**
Chenjie Yu6b1667c2019-01-18 10:09:33 -0800187 * Binder call to log BinaryPushStateChanged atom.
188 */
189 virtual Status sendBinaryPushStateChangedAtom(
Tej Singh9b4a5ec2019-04-25 12:43:35 -0700190 const android::String16& trainNameIn,
191 const int64_t trainVersionCodeIn,
192 const int options,
193 const int32_t state,
194 const std::vector<int64_t>& experimentIdsIn) override;
Chenjie Yu6b1667c2019-01-18 10:09:33 -0800195
196 /**
Tej Singh73f8e9b2019-05-19 16:52:38 -0700197 * Binder call to log WatchdogRollbackOccurred atom.
198 */
199 virtual Status sendWatchdogRollbackOccurredAtom(
200 const int32_t rollbackTypeIn,
201 const android::String16& packageNameIn,
202 const int64_t packageVersionCodeIn) override;
203
204 /**
Jeff Hamiltonfa2f91c2019-03-22 00:25:02 -0400205 * Binder call to get registered experiment IDs.
206 */
207 virtual Status getRegisteredExperimentIds(std::vector<int64_t>* expIdsOut);
208
yro31eb67b2017-10-24 13:33:21 -0700209 /** IBinder::DeathRecipient */
210 virtual void binderDied(const wp<IBinder>& who) override;
211
Chenjie Yu1a317ba2017-10-05 16:05:32 -0700212private:
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700213 /**
214 * Load system properties at init.
215 */
216 void init_system_properties();
David Chende701692017-10-05 13:16:02 -0700217
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700218 /**
219 * Helper for loading system properties.
220 */
221 static void init_build_type_callback(void* cookie, const char* name, const char* value,
222 uint32_t serial);
Bookatz906a35c2017-09-20 15:26:44 -0700223
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700224 /**
Bookatzff71cad2018-09-20 17:17:49 -0700225 * Proto output of statsd report data dumpsys, wrapped in a StatsDataDumpProto.
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700226 */
Bookatzff71cad2018-09-20 17:17:49 -0700227 void dumpIncidentSection(int outFd);
228
229 /**
230 * Text or proto output of statsdStats dumpsys.
231 */
232 void dumpStatsdStats(int outFd, bool verbose, bool proto);
Bookatzb487b552017-09-18 11:26:01 -0700233
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700234 /**
235 * Print usage information for the commands
236 */
Yao Chena80e5c02018-09-04 13:55:29 -0700237 void print_cmd_help(int out);
Bookatzb487b552017-09-18 11:26:01 -0700238
Yao Chen0f861862019-03-27 11:51:15 -0700239 /* Runs on its dedicated thread to process pushed stats event from socket. */
240 void readLogs();
241
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700242 /**
David Chenadaf8b32017-11-03 15:42:08 -0700243 * Trigger a broadcast.
244 */
Yao Chena80e5c02018-09-04 13:55:29 -0700245 status_t cmd_trigger_broadcast(int outFd, Vector<String8>& args);
David Chenadaf8b32017-11-03 15:42:08 -0700246
Tej Singh6ede28b2019-01-29 17:06:54 -0800247
248 /**
249 * Trigger an active configs changed broadcast.
250 */
251 status_t cmd_trigger_active_config_broadcast(int outFd, Vector<String8>& args);
252
David Chenadaf8b32017-11-03 15:42:08 -0700253 /**
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700254 * Handle the config sub-command.
255 */
Yao Chena80e5c02018-09-04 13:55:29 -0700256 status_t cmd_config(int inFd, int outFd, int err, Vector<String8>& args);
Chenjie Yu1a317ba2017-10-05 16:05:32 -0700257
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700258 /**
David Chen1d7b0cd2017-11-15 14:20:04 -0800259 * Prints some basic stats to std out.
260 */
Yao Chena80e5c02018-09-04 13:55:29 -0700261 status_t cmd_print_stats(int outFd, const Vector<String8>& args);
David Chen1d7b0cd2017-11-15 14:20:04 -0800262
263 /**
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700264 * Print the event log.
265 */
Bookatzff71cad2018-09-20 17:17:49 -0700266 status_t cmd_dump_report(int outFd, const Vector<String8>& args);
Yao Chen729093d2017-10-16 10:33:26 -0700267
268 /**
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700269 * Print the mapping of uids to package names.
270 */
Yao Chena80e5c02018-09-04 13:55:29 -0700271 status_t cmd_print_uid_map(int outFd, const Vector<String8>& args);
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700272
273 /**
yro947fbce2017-11-15 22:50:23 -0800274 * Flush the data to disk.
275 */
Yao Chena80e5c02018-09-04 13:55:29 -0700276 status_t cmd_write_data_to_disk(int outFd);
yro947fbce2017-11-15 22:50:23 -0800277
278 /**
David Chenb639d142018-02-14 17:29:54 -0800279 * Write an AppBreadcrumbReported event to the StatsLog buffer, as if calling
280 * StatsLog.write(APP_BREADCRUMB_REPORTED).
Bookatzb223c4e2018-02-01 15:35:04 -0800281 */
Yao Chena80e5c02018-09-04 13:55:29 -0700282 status_t cmd_log_app_breadcrumb(int outFd, const Vector<String8>& args);
Bookatzb223c4e2018-02-01 15:35:04 -0800283
284 /**
Tej Singh53f9dee2019-04-30 17:45:54 -0700285 * Write an BinaryPushStateChanged event, as if calling StatsLog.logBinaryPushStateChanged().
286 */
287 status_t cmd_log_binary_push(int outFd, const Vector<String8>& args);
288
289 /**
David Chen1481fe12017-10-16 13:16:34 -0700290 * Print contents of a pulled metrics source.
291 */
Yao Chena80e5c02018-09-04 13:55:29 -0700292 status_t cmd_print_pulled_metrics(int outFd, const Vector<String8>& args);
David Chen1481fe12017-10-16 13:16:34 -0700293
294 /**
yro74fed972017-11-27 14:42:42 -0800295 * Removes all configs stored on disk and on memory.
yro87d983c2017-11-14 21:31:43 -0800296 */
Yao Chena80e5c02018-09-04 13:55:29 -0700297 status_t cmd_remove_all_configs(int outFd);
yro87d983c2017-11-14 21:31:43 -0800298
Yao Chen8d9989b2017-11-18 18:54:50 -0800299 /*
300 * Dump memory usage by statsd.
301 */
Yao Chena80e5c02018-09-04 13:55:29 -0700302 status_t cmd_dump_memory_info(int outFd);
Yao Chen8d9989b2017-11-18 18:54:50 -0800303
yro1cf2ac52018-03-07 17:59:13 -0800304 /*
Chenjie Yue72252b2018-02-01 13:19:35 -0800305 * Clear all puller cached data
306 */
Yao Chena80e5c02018-09-04 13:55:29 -0700307 status_t cmd_clear_puller_cache(int outFd);
Chenjie Yue72252b2018-02-01 13:19:35 -0800308
yro87d983c2017-11-14 21:31:43 -0800309 /**
Yao Chen876889c2018-05-02 11:16:16 -0700310 * Print all stats logs received to logcat.
311 */
Yao Chena80e5c02018-09-04 13:55:29 -0700312 status_t cmd_print_logs(int outFd, const Vector<String8>& args);
Yao Chen876889c2018-05-02 11:16:16 -0700313
314 /**
Bookatzd2386572018-12-14 15:53:14 -0800315 * Writes the value of args[uidArgIndex] into uid.
316 * Returns whether the uid is reasonable (type uid_t) and whether
317 * 1. it is equal to the calling uid, or
318 * 2. the device is mEngBuild, or
319 * 3. the caller is AID_ROOT and the uid is AID_SHELL (i.e. ROOT can impersonate SHELL).
320 */
321 bool getUidFromArgs(const Vector<String8>& args, size_t uidArgIndex, int32_t& uid);
322
323 /**
Tej Singh6ede28b2019-01-29 17:06:54 -0800324 * Writes the value of uidSting into uid.
325 * Returns whether the uid is reasonable (type uid_t) and whether
326 * 1. it is equal to the calling uid, or
327 * 2. the device is mEngBuild, or
328 * 3. the caller is AID_ROOT and the uid is AID_SHELL (i.e. ROOT can impersonate SHELL).
329 */
330 bool getUidFromString(const char* uidString, int32_t& uid);
331
332 /**
David Chen9fdd4032018-03-20 14:38:56 -0700333 * Adds a configuration after checking permissions and obtaining UID from binder call.
334 */
335 bool addConfigurationChecked(int uid, int64_t key, const vector<uint8_t>& config);
336
337 /**
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700338 * Update a configuration.
339 */
340 void set_config(int uid, const string& name, const StatsdConfig& config);
341
342 /**
343 * Tracks the uid <--> package name mapping.
344 */
345 sp<UidMap> mUidMap;
346
347 /**
Chenjie Yue2219202018-06-08 10:07:51 -0700348 * Fetches external metrics
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700349 */
Chenjie Yue2219202018-06-08 10:07:51 -0700350 sp<StatsPullerManager> mPullerManager;
David Chende701692017-10-05 13:16:02 -0700351
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700352 /**
353 * Tracks the configurations that have been passed to statsd.
354 */
355 sp<ConfigManager> mConfigManager;
Bookatzb487b552017-09-18 11:26:01 -0700356
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700357 /**
358 * The metrics recorder.
359 */
360 sp<StatsLogProcessor> mProcessor;
Bookatzb487b552017-09-18 11:26:01 -0700361
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700362 /**
Yangster-mac932ecec2018-02-01 10:23:52 -0800363 * The alarm monitor for anomaly detection.
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700364 */
Yangster-mac932ecec2018-02-01 10:23:52 -0800365 const sp<AlarmMonitor> mAnomalyAlarmMonitor;
366
367 /**
368 * The alarm monitor for alarms to directly trigger subscriber.
369 */
370 const sp<AlarmMonitor> mPeriodicAlarmMonitor;
Bookatzb487b552017-09-18 11:26:01 -0700371
Joe Onorato9fc9edf2017-10-15 20:08:52 -0700372 /**
373 * Whether this is an eng build.
374 */
375 bool mEngBuild;
David Chen9fdd4032018-03-20 14:38:56 -0700376
Yao Chena80e5c02018-09-04 13:55:29 -0700377 sp<ShellSubscriber> mShellSubscriber;
378
Yao Chen0f861862019-03-27 11:51:15 -0700379 std::shared_ptr<LogEventQueue> mEventQueue;
380
Tej Singhf53d4452019-05-09 18:17:59 -0700381 FRIEND_TEST(StatsLogProcessorTest, TestActivationsPersistAcrossSystemServerRestart);
David Chen9fdd4032018-03-20 14:38:56 -0700382 FRIEND_TEST(StatsServiceTest, TestAddConfig_simple);
383 FRIEND_TEST(StatsServiceTest, TestAddConfig_empty);
384 FRIEND_TEST(StatsServiceTest, TestAddConfig_invalid);
Bookatzd2386572018-12-14 15:53:14 -0800385 FRIEND_TEST(StatsServiceTest, TestGetUidFromArgs);
David Chenbd125272018-04-04 19:02:50 -0700386 FRIEND_TEST(PartialBucketE2eTest, TestCountMetricNoSplitOnNewApp);
387 FRIEND_TEST(PartialBucketE2eTest, TestCountMetricSplitOnUpgrade);
388 FRIEND_TEST(PartialBucketE2eTest, TestCountMetricSplitOnRemoval);
389 FRIEND_TEST(PartialBucketE2eTest, TestCountMetricWithoutSplit);
David Chen81245fd2018-04-12 14:33:37 -0700390 FRIEND_TEST(PartialBucketE2eTest, TestValueMetricWithoutMinPartialBucket);
391 FRIEND_TEST(PartialBucketE2eTest, TestValueMetricWithMinPartialBucket);
392 FRIEND_TEST(PartialBucketE2eTest, TestGaugeMetricWithoutMinPartialBucket);
393 FRIEND_TEST(PartialBucketE2eTest, TestGaugeMetricWithMinPartialBucket);
Joe Onorato5dcbc6c2017-08-29 15:13:58 -0700394};
395
Yao Chenef99c4f2017-09-22 16:26:54 -0700396} // namespace statsd
397} // namespace os
398} // namespace android
Bookatz906a35c2017-09-20 15:26:44 -0700399
Yao Chenef99c4f2017-09-22 16:26:54 -0700400#endif // STATS_SERVICE_H